/**
 * Copyright (C) 2011 Andrew C. Love (DNC) <dnc.app.sup@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.dnc.cloak.framework.security;

import java.security.Principal;
import java.util.Set;

import javax.security.auth.Subject;

public class DefaultSecurityContext implements SecurityContext {
	
    private Subject subject = null;
    private Set<Principal> principals = null;
    private Principal principal = null;
	private CloakPrincipal cloakPrincipal = null;
	private String securityPolicy = null;
	
	public DefaultSecurityContext() {
	}

    public DefaultSecurityContext(Subject subject) {        
        this.subject = subject;
        if (this.subject!=null && 
            this.subject.getPrincipals()!=null && 
            this.subject.getPrincipals().size() > 0) {
            
            principals = this.subject.getPrincipals(); 
            Principal principal = (Principal) this.subject.getPrincipals(Principal.class).toArray()[0];
            this.principal = principal;
            if (this.principal instanceof CloakPrincipal) {
                this.cloakPrincipal = (CloakPrincipal) principal;
            }
        }        
    }        

	@Override
	public String getSecurityPolicy() {
		return this.securityPolicy;
	}

	@Override
	public Subject getSubject() {
		return null;
	}

	@Override
    public Set<Principal> getPrincipals() {
        return principals;
    }

    @Override
    public Principal getPrincipal() {
        return principal;
    }

    @Override
    public CloakPrincipal getCloakPrincipal() {
        return cloakPrincipal;
    }	
    
}
